NSN 2815-01-265-2598 — this item is cataloged by the U.S. Government under National Stock Number 2815-01-265-2598. Manufacturer of record part number: 12511.
Also searched as2815-01-265-2598 ·
2815012652598 ·
NIIN 012652598 ·
01-265-2598 ·
FSC 2815 Diesel Engines and Components · CAGE 03798 · 12511
The Valve,poppet,engine, cataloged under National Stock Number 2815-01-265-2598, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Westerbeke Corporation. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2815-01-265-2598
Primary Part Number
12511
Item Name
Valve,poppet,engine
FSC / FSG
2815 / 28 — Diesel Engines and Components
Manufacturer
Westerbeke Corporation
Status
ACTIVE
Stem Style
DOUBLE GROOVED
Head Style
FLAT
Carbon Relief Groove
INCLUDED
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3020-01-424-403312511POSSIBLE MATCH
CHAIN,ROLLER
Possible match (shared part number)Emerson Power Transmission Corporation Div Ept
5962-01-425-82881251-1POSSIBLE MATCH
MICROCIRCUIT,DIGITAL
Possible match (shared part number)Raytheon Company Dba Raytheon
NSN 2815-01-265-2598 is a Valve,poppet,engine, manufactured by Westerbeke Corporation, classified under FSC 2815, Diesel Engines and Components. Status: active.
What part numbers are listed for NSN 2815-01-265-2598?
NSN 2815-01-265-2598 has 1 manufacturer part number on file: 12511 (Westerbeke Corporation).
What NSN replaces 2815-01-265-2598?
3 possible matches (shared part number, not a government interchangeability claim): 3020-01-424-4033, 5962-01-425-8288, 2940-01-512-7037. Verify interchangeability with system specifications before substitution.
What are the specifications of 12511?
Key specifications for 12511: Stem Style: DOUBLE GROOVED; Head Style: FLAT; Carbon Relief Groove: INCLUDED; Special Features: WITH O-RING. 3 specifications are documented in the U.S. Government catalog.
Is NSN 2815-01-265-2598 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.